H800 SXM5 vs L40

Primary details

GPU architecture, market segment, value for money and other general parameters compared.

Place in performance rankingnot ratednot rated
Place by popularitynot in top-100not in top-100
ArchitectureAda LovelaceHopper (2022)
GPU code nameAD102GH100
Market segmentDesktopDesktop
Release date13 October 2022 (1 year ago)21 March 2023 (1 year ago)
Current price$100 no data

Detailed specifications

General performance parameters such as number of shaders, GPU core base clock and boost clock speeds, manufacturing process, texturing and calculation speed. These parameters indirectly speak of performance, but for precise assessment you have to consider their benchmark and gaming test results. Note that power consumption of some graphics cards can well exceed their nominal TDP, especially when overclocked.

Pipelines / CUDA cores1817616896
Boost clock speed2490 MHz1755 MHz
Number of transistors76,300 million80,000 million
Manufacturing process technology4 nm4 nm
Power consumption (TDP)300 Watt700 Watt
Texture fill rate1,414926.6

Form factor & compatibility

Information on compatibility with other computer components. Useful when choosing a future computer configuration or upgrading an existing one. For desktop graphics cards it's interface and bus (motherboard compatibility), additional power connectors (power supply compatibility).

InterfacePCIe 4.0 x16PCIe 5.0 x16
Length267 mmno data
Width2-slotSXM Module
Supplementary power connectors1x 16-pin8-pin EPS

VRAM capacity and type

Parameters of VRAM installed: its type, size, bus, clock and resulting bandwidth. Integrated GPUs have no dedicated video RAM and use a shared part of system RAM.

Memory typeGDDR6HBM3
Maximum RAM amount48 GB80 GB
Memory bus width384 Bit5120 Bit
Memory clock speed18 GB/s2.6 GB/s
Memory bandwidth864.0 GB/s1,681 GB/s

Connectivity and outputs

Types and number of video connectors present on the reviewed GPUs. As a rule, data in this section is precise only for desktop reference ones (so-called Founders Edition for NVIDIA chips). OEM manufacturers may change the number and type of output ports, while for notebook cards availability of certain video outputs ports depends on the laptop model rather than on the card itself.

Display Connectors4x DisplayPort 1.4aNo outputs

API compatibility

List of supported graphics and general-purpose computing APIs, including their specific versions.

DirectX12 Ultimate (12_2)N/A
Shader Model6.7N/A
OpenGL4.6N/A
OpenCL3.03.0
Vulkan1.3N/A
CUDA8.99.0

Pros & cons summary


Recency 13 October 2022 21 March 2023
Maximum RAM amount 48 GB 80 GB
Power consumption (TDP) 300 Watt 700 Watt

We couldn't decide between L40 and H800 SXM5. We've got no test results to judge.


Should you still have questions concerning choice between the reviewed GPUs, ask them in Comments section, and we shall answer.

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NVIDIA L40
L40
NVIDIA H800 SXM5
H800 SXM5

Comparisons with similar GPUs

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Community ratings

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3.6 13 votes

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4.2 5 votes

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Questions & comments

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